CN208651412U - Marine screw shaft system - Google Patents
Marine screw shaft system Download PDFInfo
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- CN208651412U CN208651412U CN201821240357.7U CN201821240357U CN208651412U CN 208651412 U CN208651412 U CN 208651412U CN 201821240357 U CN201821240357 U CN 201821240357U CN 208651412 U CN208651412 U CN 208651412U
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Abstract
The utility model provides marine screw shaft system, it includes interlude, cabin dynamical system, sealing cooling component is installed on interlude, interlude both ends extend to form intermediate linkage section, one of intermediate linkage section end gradually tapers up to form shaft head section, shaft head section end shrink to be formed it is stair-stepping be connected by power section, be connected by power section and connect by being connected by power component with cabin dynamical system；Another intermediate linkage section end gradually tapers up to form axis endpiece, and bearing assembly is equipped on the intermediate linkage section of axis endpiece one end, propeller component is equipped on axis endpiece.Using structurally reasonable, the high lubricating effect, the wear rate that can effectively reduce stern tube shaft after this programme, while the good cooling results of stern tube shaft.
Description
Technical field
The utility model relates to technical field of ships, refer in particular to marine screw shaft system.
Background technique
Existing marine screw shaft front and back end diameter is identical (with diameter formula), only shrinks to form linkage section in end, but using
In the process, transmission effect is only played among axis, intensity requirement is relatively low, and the axis body with diameter formula is than cumbersome, and this axis body
It is easy to produce high temperature and abrasion in use with the junction of dynamical system.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of structurally reasonable, high lubricating effect is provided, can
The marine screw shaft system of stern tube shaft wear rate, stern tube shaft good cooling results is effectively reduced.
To achieve the above object, technical solution provided by the utility model are as follows: marine screw shaft system, it includes centre
Section, cabin dynamical system are equipped with sealing cooling component on interlude, and interlude both ends extend to form intermediate linkage section, wherein
One intermediate linkage section end gradually tapers up to form shaft head section, shaft head section end shrink to be formed it is stair-stepping be connected by power section, move
Power linkage section is cylindrical, and is connected by power the annular cooling bath that indent is equipped between section and shaft head section end, is connected by power section
Outer peripheral surface be equipped with indent bar shaped cooling bath, the length direction of bar shaped cooling bath is consistent with axis body length direction, and bar shaped is cold
But slot one end is connect with annular cooling bath, and the other end forms positive stop end；It is dynamic by being connected by power component and cabin to be connected by power section
Force system connection；Another intermediate linkage section end gradually tapers up to form axis endpiece, pacifies on the intermediate linkage section of axis endpiece one end
Equipped with bearing assembly, propeller component is installed on axis endpiece.
The component that is connected by power includes connecting bushing, and connecting bushing is cylindrical, and inner cavity forms cone
Stern tube shaft inserts room, and stern tube shaft inserting smaller one end in room extends to form spindle nose room, and stern tube shaft inserting room is sleeved in shaft head section, spindle nose room position
It in being connected by power on the outside of section, is connected by power in section and is set with tube shaft bearing, tube shaft bearing is located in spindle nose room, and spindle nose room end is expanded
Spread is at sealed step, the interior shaft head seal circle embedded with annular of sealed step, the connecting bushing end periphery of spindle nose room one end
Connection ring is formed towards external expansion, is evenly distributed with connecting hole on the anchor ring of connection ring, is connected by power section across tube shaft bearing, axis
It is connect after head sealing ring with cabin dynamical system；Bearing lubrication is reserved between cavity wall in tube shaft bearing outer peripheral surface and spindle nose room
Room shrinks to form stair-stepping limit section at stern tube shaft spindle nose, limit section pass through after tube shaft bearing, shaft head seal circle with cabin internally-powered
System connection, limits and is reserved with spindle nose lubricating chamber between the cascaded surface of section and tube shaft bearing, spindle nose lubricating chamber and bearing lubrication room
Connection, annular cooling bath are located in spindle nose lubricating chamber；Connecting bushing is equipped with the oiling connector connecting with bearing lubrication room.
The sealing cooling component includes stern pipe, preceding rubber shaft bearing, connection backing plate, wherein stern pipe is cylindrical, set
On interlude outer peripheral surface, cooling zone, propeller one are reserved between the stern tube cavity wall after suit and interlude outer peripheral surface
The stern tube cavity wall at end is equipped with stair-stepping sealed step, is set with preceding rubber axis between stern pipe other end internal chamber wall and stern tube shaft
It holds, the stern tube end at the end extends to the outside to form sealed connection ring, is tightly connected on the interlude of ring one end and is set with sealing group
Part；The seal assembly includes preceding sealing shroud, cooling water cover, wherein and preceding sealing shroud one end forms lantern ring to central reduction,
Lantern ring is sleeved on interlude outer peripheral surface, and the preceding sealing shroud of lantern ring one end is connect by connection backing plate with ring is tightly connected, preceding close
Rear sealing shroud is set on the stern tube shaft of the big envelope other end, rear sealing shroud one end is located in preceding sealing shroud, the rear sealing shroud other end to
External expansion forms outer stop collar, is set with preceding sealing ring in the middle part of rear sealing shroud, preceding sealing ring internal chamber wall and rear sealing shroud surface it
Between be reserved with cooling-water duct, preceding sealing ring side is equipped with stair-stepping limited step, and limited step and rear sealing shroud end are embedding
It closes and forms sealing, form cooling chamber, cooling indoor rear sealing between the rear sealing shroud, preceding sealing ring, preceding sealing shroud after installation
Set surface is set with cooling chamber sealing ring, and cooling chamber sealing ring is inlaid in the seal groove on rear sealing shroud surface, cold after being embedded in
But wherein side is in contact room sealing ring with preceding sealing ring, and preceding sealing shroud is equipped with the warter connection being connected with cooling chamber,
It is equipped with drainage joint at the top of preceding sealing ring, the first drainage channel and the second drainage channel, the first draining are connected in drainage joint
Channel slopes are connected with cooling chamber downwards, and the cooling chamber sealing ring side wall being in contact with preceding sealing ring is equipped with rhone, row
Sink one end is connect with cooling-water duct, and the other end is connected with the second drainage channel；The preceding sealing ring other side and outer stop collar
Between cooling water cover is installed, cooling water cover and outer stop collar, preceding sealing ring form reservoir chamber, cooling chamber between rear sealing shroud
It is connect by cooling-water duct with reservoir chamber.
The bearing assembly includes collar, connection axillare, outer web, endosternum, wherein collar bush is mounted in axis endpiece
On the intermediate linkage section of one end, collar outer peripheral surface two sides are each to fix one piece of connection axillare, and the angle between two pieces of connection axillares is
80 °, the angle between collar center line and horizontal line after fixing is 6 °, and the lower one end of collar is located at propeller side；It is described
Connection axillare inner end be welded on collar outer peripheral surface, connection axillare outer end be welded on outer web, outer web is fan-shaped, outer abdomen
Be evenly distributed on plate quantity be greater than 2 connection bolt, connection bolt pass through cabin bottom glass reinforced plastic tunnel after with endosternum
It is connected.
The propeller component fair water cone, propeller hub, lateral bolt, propeller key, wherein propeller hub set
On axis endpiece, the propeller hub after suit is positioned by propeller key, and propeller key is locked at spiral shell by lateral bolt
It revolves on paddle construction section；Blade is connected on propeller hub outer peripheral surface, axis endpiece end is equipped with fair water cone, and fair water cone passes through connection
Bolt is mounted on propeller hub end.
The utility model has the technical advantages that:
Collar in bearing assembly is symmetrically fixed and supported using two pieces of connection axillares, between two pieces of connections axillare and collars
Triangle is formed, keeps the connection of its structure more stable, using the glass reinforced plastic tunnel of multiple bolts and inside and outside web and cabin bottom
Road connection, makes the stress in glass reinforced plastic tunnel more evenly；
Warter connection in sealing cooling component is for supplying water to cooling chamber, when only needing have water in cooling chamber
When, the control valve closed in drainage joint all closes the first, second drainage channel, when needs are filled the water toward reservoir chamber
When, the second drainage channel is opened, the first drainage channel is closed, passes through drainage joint, the second drainage channel, rhone, cooling water
Channel injects water into reservoir chamber, the first, second drainage channel can also be opened, and makes cooling chamber, the first drainage channel, second
Drainage channel, cooling-water duct, forms circulation between reservoir chamber at rhone；
It is connected by power component and is inserted in stern tube shaft and increase lubrication zone between room and spindle nose room, then pass through oiling connector injection lubrication
Oil, lubrication zone are sealed by sealing ring, the wear rate of spindle nose can be effectively reduced in this way, while increasing tube shaft bearing
Service life；Using structurally reasonable, the high lubricating effect, the wear rate that can effectively reduce stern tube shaft after this programme, while stern tube shaft
Good cooling results.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the interlude structural schematic diagram of the utility model.
Fig. 3 is connected by power component diagram for the utility model.
Fig. 4 is the sealing cooling component schematic diagram of the utility model.
Fig. 5 is the seal assembly schematic diagram of the utility model.
Fig. 6 is the bearing assembly structure schematic diagram of the utility model.
Fig. 7 is the bearing assembly side view of the utility model.
Fig. 8 is the propeller component diagram of the utility model.
Specific embodiment
Below with reference to all attached drawings, the utility model is described in further detail, the preferred embodiment of the utility model are as follows: ginseng
Attached drawing 1 is seen to attached drawing 8, and marine screw shaft system described in the present embodiment includes interlude 401, cabin dynamical system, interlude
Sealing cooling component is installed, 401 both ends of interlude extend to form intermediate linkage section 402, one of intermediate linkage section on 401
402 ends gradually taper up to form shaft head section 403, and 403 end of shaft head section, which shrinks to be formed, stair-stepping is connected by power section 404, power
Linkage section 404 is cylindrical, and is connected by power the annular cooling bath 405 that indent is equipped between 403 end of section 404 and shaft head section,
The outer peripheral surface for being connected by power section 404 is equipped with the bar shaped cooling bath 409 of indent, the length direction and axis body of bar shaped cooling bath 409
Length direction is consistent, and 409 one end of bar shaped cooling bath is connect with annular cooling bath 405, and the other end forms positive stop end；It is connected by power section
404 are connect by being connected by power component with cabin dynamical system；Another intermediate 402 end of linkage section gradually tapers up to form axis tail
Section 406 is equipped with bearing assembly on the intermediate linkage section 402 of 406 one end of axis endpiece, propeller group is equipped on axis endpiece 406
Part.
The component that is connected by power includes connecting bushing 61, and connecting bushing 61 is cylindrical, and inner cavity forms circular cone
The stern tube shaft of shape inserts room 62, and stern tube shaft inserting smaller one end in room 62 extends to form spindle nose room 63, and stern tube shaft inserting room 62 is sleeved on spindle nose
In section 403, spindle nose room 63, which is located at, is connected by power 404 outside of section, is connected by power in section 404 and is set with tube shaft bearing 64, stern tube shaft axis
It holds 64 to be located in spindle nose room 63,63 end extended of spindle nose room forms sealed step 65, and the axis of annular is embedded in sealed step 65
Head sealing ring, the 61 end outer peripheral surface of connecting bushing of 63 one end of spindle nose room extend to the outside to form connection ring 66, the ring of connection ring 66
It is evenly distributed with connecting hole on face, is connected by power section 404 and connects after tube shaft bearing 64, shaft head seal circle with cabin dynamical system
It connects；It is reserved with bearing lubrication room 67 between 63 internal chamber wall of 64 outer peripheral surface of tube shaft bearing and spindle nose room, shrinks to be formed at stern tube shaft spindle nose
Stair-stepping limit section, limit section are connect after passing through tube shaft bearing 64, shaft head seal circle with cabin internally-powered system, limit the rank of section
Spindle nose lubricating chamber 69 is reserved between tread and tube shaft bearing 64, spindle nose lubricating chamber 69 connect with bearing lubrication room 67, and annular is cold
But slot 405 is located in spindle nose lubricating chamber 69；Connecting bushing 61 is equipped with the oiling connector 68 connecting with bearing lubrication room 67.
The sealing cooling component includes stern pipe 312, preceding rubber shaft bearing 314, connection backing plate 315, wherein stern pipe
312 is cylindrical, is sleeved on 401 outer peripheral surface of interlude, 312 internal chamber wall of stern pipe after suit and 401 outer peripheral surface of interlude it
Between be reserved with cooling zone, 312 internal chamber wall of stern pipe of propeller one end is equipped with stair-stepping sealed step, 312 other end of stern pipe
Rubber shaft bearing 314 before being set between internal chamber wall and stern tube shaft, 312 end of stern pipe at the end extend to the outside to form sealed connection ring,
It is tightly connected on the interlude 401 of ring one end and is set with seal assembly；The seal assembly includes preceding sealing shroud 1, cooling
Water cover 3, wherein preceding 1 one end of sealing shroud forms lantern ring to central reduction, and lantern ring is sleeved on 401 outer peripheral surface of interlude, lantern ring one
The preceding sealing shroud 1 at end is connect by connection backing plate 315 with ring is tightly connected, after being set on the stern tube shaft of preceding 1 other end of sealing shroud
Sealing shroud 4, rear 4 one end of sealing shroud are located in preceding sealing shroud 1, and rear 4 other end of sealing shroud extends to the outside to form outer stop collar 5, after
Preceding sealing ring 6 is set in the middle part of sealing shroud 4, it is logical to be reserved with cooling water between 4 surface of preceding 6 internal chamber wall of sealing ring and rear sealing shroud
Road, preceding 6 side of sealing ring are equipped with stair-stepping limited step, and limited step is chimeric with rear 4 end of sealing shroud to form sealing, installation
Rear rear sealing shroud 4, preceding sealing ring 6 form cooling chamber 7 between preceding sealing shroud 1,4 surface of the rear sealing shroud suit in cooling chamber 7
There is cooling chamber sealing ring 8, cooling chamber sealing ring 8 is inlaid in the seal groove on rear 4 surface of sealing shroud, the cooling chamber sealing after being embedded in
Wherein side is in contact circle 8 with preceding sealing ring 6, and preceding sealing shroud 1 is equipped with the warter connection 9 being connected with cooling chamber 7, preceding close
It is equipped with drainage joint 10 at the top of seal ring 6, is connected with the first drainage channel 11 and the second drainage channel 12 in drainage joint 10, first
Drainage channel 11 is connected with cooling chamber 7 diagonally downward, and 8 side wall of cooling chamber sealing ring being in contact with preceding sealing ring 6 is equipped with
Rhone 13,13 one end of rhone are connect with cooling-water duct, and the other end is connected with the second drainage channel 12；Preceding sealing ring 6
Cooling water cover 3, cooling water cover 3 and outer stop collar 5, preceding sealing ring 6, rear sealing shroud 4 are installed between the other side and outer stop collar 5
Between form reservoir chamber, cooling chamber 7 is connect by cooling-water duct with reservoir chamber.
The bearing assembly includes collar 101, connection axillare 102, outer web 103, endosternum 104, wherein collar
101 are sleeved on the intermediate linkage section 402 of 406 one end of axis endpiece, and 101 outer peripheral surface two sides of collar are each to fix one piece of connection axillare
102, two pieces of angles connected between axillares 102 are 80 °, and the angle between 101 center line of collar and horizontal line after fixing is
6 °, the lower one end of collar 101 is located at propeller side；102 inner end of connection axillare is welded on 101 outer peripheral surface of collar,
Connection 102 outer end of axillare is welded on outer web 103, and outer web 103 is fan-shaped, and it is big to be evenly distributed with quantity on outer web 103
In 2 connection bolt 105, connects bolt 105 and be connected behind the glass reinforced plastic tunnel 106 of cabin bottom with endosternum 104.
The propeller component fair water cone 201, propeller hub 203, lateral bolt 204, propeller key 205, wherein
Propeller hub 203 is sleeved on axis endpiece 406, and the propeller hub 203 after suit is positioned by propeller key 205, spiral
Paddle key 205 is locked on propeller construction section by lateral bolt 204；Blade, axis are connected on 203 outer peripheral surface of propeller hub
406 end of endpiece is equipped with fair water cone 201, and fair water cone 201 is mounted on 203 end of propeller hub by connecting bolt.
The present embodiment it is a technical advantage that:
Collar in bearing assembly is symmetrically fixed and supported using two pieces of connection axillares, between two pieces of connections axillare and collars
Triangle is formed, keeps the connection of its structure more stable, using the glass reinforced plastic tunnel of multiple bolts and inside and outside web and cabin bottom
Road connection, makes the stress in glass reinforced plastic tunnel more evenly；
Warter connection in sealing cooling component is for supplying water to cooling chamber, when only needing have water in cooling chamber
When, the control valve closed in drainage joint all closes the first, second drainage channel, when needs are filled the water toward reservoir chamber
When, the second drainage channel is opened, the first drainage channel is closed, passes through drainage joint, the second drainage channel, rhone, cooling water
Channel injects water into reservoir chamber, the first, second drainage channel can also be opened, and makes cooling chamber, the first drainage channel, second
Drainage channel, cooling-water duct, forms circulation between reservoir chamber at rhone；
It is connected by power component and is inserted in stern tube shaft and increase lubrication zone between room and spindle nose room, then pass through oiling connector injection lubrication
Oil, lubrication zone are sealed by sealing ring, the wear rate of spindle nose can be effectively reduced in this way, while increasing tube shaft bearing
Service life；Using structurally reasonable, the high lubricating effect, the wear rate that can effectively reduce stern tube shaft after this programme, while stern tube shaft
Good cooling results.
The embodiment of the above is only the preferred embodiment of the utility model, and the reality of the utility model is not limited with this
It applies range, therefore all shapes according to the utility model, changes made by principle, should all cover in the protection scope of the utility model
It is interior.
Claims (5)
1. marine screw shaft system, it includes interlude (401), cabin dynamical system, it is characterised in that: on interlude (401)
Sealing cooling component is installed, interlude (401) both ends extend to form intermediate linkage section (402), one of intermediate linkage section
(402) end gradually tapers up to be formed shaft head section (403), and shaft head section (403) end, which shrinks to be formed, stair-stepping is connected by power section
(404), it is cylindrical to be connected by power section (404), and is connected by power between section (404) and shaft head section (403) end and is equipped with indent
Annular cooling bath (405), the outer peripheral surface for being connected by power section (404) is equipped with the bar shaped cooling bath (409) of indent, and bar shaped is cooling
The length direction of slot (409) is consistent with axis body length direction, and bar shaped cooling bath (409) one end is connect with annular cooling bath (405),
The other end forms positive stop end；Section (404) is connected by power to connect by being connected by power component with cabin dynamical system；Among another
Linkage section (402) end gradually tapers up to be formed axis endpiece (406), installs on the intermediate linkage section (402) of axis endpiece (406) one end
There is bearing assembly, axis endpiece is equipped with propeller component on (406).
2. marine screw shaft system according to claim 1, it is characterised in that: being connected by power component includes connecting bushing
(61), connecting bushing (61) is cylindrical, and inner cavity forms stern tube shaft inserting room (62) of cone, and it is smaller that stern tube shaft inserts room (62)
One end extends to be formed spindle nose room (63), and stern tube shaft inserting room (62) is sleeved on shaft head section (403), and spindle nose room (63) are located at power company
It connects on the outside of section (404), is connected by power on section (404) and is set with tube shaft bearing (64), tube shaft bearing (64) is located at spindle nose room (63)
Interior, spindle nose room (63) end extended forms sealed step (65), embedded with the shaft head seal circle of annular, axis in sealed step (65)
Connecting bushing (61) end outer peripheral surface of head-room (63) one end extends to the outside to be formed connection ring (66), on the anchor ring of connection ring (66)
It is evenly distributed with connecting hole, section (404) is connected by power and connects after tube shaft bearing (64), shaft head seal circle with cabin dynamical system
It connects；It is reserved with bearing lubrication room (67) between tube shaft bearing (64) outer peripheral surface and spindle nose room (63) internal chamber wall, is received at stern tube shaft spindle nose
Contracting forms stair-stepping limit section, and limit section connect with cabin internally-powered system after passing through tube shaft bearing (64), shaft head seal circle, limits
It is reserved with spindle nose lubricating chamber (69) between the cascaded surface and tube shaft bearing (64) of position section, spindle nose lubricating chamber (69) and bearing lubrication room
(67) it connects, annular cooling bath (405) is located in spindle nose lubricating chamber (69)；Connecting bushing (61) is equipped with and bearing lubrication room
(67) the oiling connector (68) connected.
3. marine screw shaft system according to claim 1, it is characterised in that: sealing cooling component include stern pipe (312),
Preceding rubber shaft bearing (314), connection backing plate (315), wherein stern pipe (312) is cylindrical, is sleeved on interlude (401) outer peripheral surface
On, cooling zone, the stern of propeller one end are reserved between stern pipe (312) internal chamber wall after suit and interlude (401) outer peripheral surface
It manages (312) internal chamber wall and is equipped with stair-stepping sealed step, be set with preceding rubber between stern pipe (312) other end internal chamber wall and stern tube shaft
Stern pipe (312) end of glue bearing (314), the end extends to the outside to form sealed connection ring, is tightly connected the interlude of ring one end
(401) seal assembly is set on；The seal assembly includes preceding sealing shroud (1), cooling water cover (3), wherein preceding sealing
It covers (1) one end and forms lantern ring to central reduction, lantern ring is sleeved on interlude (401) outer peripheral surface, the preceding sealing shroud of lantern ring one end
(1) it is connect by connection backing plate (315) with ring is tightly connected, is set with rear sealing shroud on the stern tube shaft of preceding sealing shroud (1) other end
(4), rear sealing shroud (4) one end is located in preceding sealing shroud (1), and rear sealing shroud (4) other end extends to the outside to form outer stop collar
(5), it is set with preceding sealing ring (6) in the middle part of rear sealing shroud (4), it is pre- between preceding sealing ring (6) internal chamber wall and rear sealing shroud (4) surface
There are cooling-water duct, preceding sealing ring (6) side is equipped with stair-stepping limited step, limited step and rear sealing shroud (4) end
It is chimeric to form sealing, cooling chamber (7) are formed between the rear sealing shroud (4), preceding sealing ring (6), preceding sealing shroud (1) after installation, it is cold
But rear sealing shroud (4) surface in room (7) is set with cooling chamber sealing ring (8), and cooling chamber sealing ring (8) is inlaid in rear sealing shroud
(4) in the seal groove on surface, wherein side is in contact the cooling chamber sealing ring (8) after being embedded in preceding sealing ring (6), preceding sealing shroud
(1) it is equipped with the warter connection (9) being connected with cooling chamber (7), is equipped with drainage joint (10) at the top of preceding sealing ring (6), row
It is connected with the first drainage channel (11) and the second drainage channel (12) in water swivel (10), the first drainage channel (11) is diagonally downward
It is connected with cooling chamber (7), cooling chamber sealing ring (8) side wall being in contact with preceding sealing ring (6) is equipped with rhone (13), row
Sink (13) one end is connect with cooling-water duct, and the other end is connected with the second drainage channel (12)；Preceding sealing ring (6) other side
It is equipped between outer stop collar (5) cooling water cover (3), it is cooling water cover (3) and outer stop collar (5), preceding sealing ring (6), rear close
Reservoir chamber is formed between big envelope (4), cooling chamber (7) is connect by cooling-water duct with reservoir chamber.
4. marine screw shaft system according to claim 1, it is characterised in that: bearing assembly includes collar (101), connection
Axillare (102), outer web (103), endosternum (104), wherein the centre that collar (101) is sleeved on axis endpiece (406) one end connects
It connects on section (402), collar (101) outer peripheral surface two sides are each to fix one piece of connection axillare (102), between two pieces of connection axillares (102)
Angle be 80 °, it is fixed after angle of the collar (101) between center line and horizontal line be 6 °, the lower one end position of collar (101)
In propeller side；Described connection axillare (102) inner end is welded on collar (101) outer peripheral surface, connects axillare (102) outer end
It is welded on outer web (103), outer web (103) is fan-shaped, and the connection that quantity is greater than 2 is evenly distributed on outer web (103)
Bolt (105), the glass reinforced plastic tunnel (106) that connection bolt (105) passes through cabin bottom are connected with endosternum (104) afterwards.
5. marine screw shaft system according to claim 1, it is characterised in that: propeller component fair water cone (201), propeller
Propeller hub (203), lateral bolt (204), propeller key (205), wherein propeller hub (203) is sleeved on axis endpiece (406)
On, the propeller hub (203) after suit is positioned by propeller key (205), and propeller key (205) passes through lateral bolt
(204) it is locked on propeller construction section；Blade is connected on propeller hub (203) outer peripheral surface, axis endpiece (406) end is set
Have fair water cone (201), fair water cone (201) is mounted on propeller hub (203) end by connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240357.7U CN208651412U (en) | 2018-08-02 | 2018-08-02 | Marine screw shaft system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240357.7U CN208651412U (en) | 2018-08-02 | 2018-08-02 | Marine screw shaft system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651412U true CN208651412U (en) | 2019-03-26 |
Family
ID=65788353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821240357.7U Active CN208651412U (en) | 2018-08-02 | 2018-08-02 | Marine screw shaft system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825642A (en) * | 2018-08-02 | 2018-11-16 | 湖南大洋机械制造有限公司 | Marine screw shaft system |
| CN110834710A (en) * | 2019-10-22 | 2020-02-25 | 广州文冲船厂有限责任公司 | Protective cover |
-
2018
- 2018-08-02 CN CN201821240357.7U patent/CN208651412U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825642A (en) * | 2018-08-02 | 2018-11-16 | 湖南大洋机械制造有限公司 | Marine screw shaft system |
| CN110834710A (en) * | 2019-10-22 | 2020-02-25 | 广州文冲船厂有限责任公司 | Protective cover |
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